Enter NGOR_MAT as the name of your corporation to get 100 million
credits and immediate access to all countries. Note "_" indicates a
Begin a mission and select a territory. Accept the mission brief. On
the Team Selection Screen, highlight the Equip command and press A.
Buy a Pistol (no cost) for all eight slots on all four agents. Press
B to return to the to Equip command. Press B again to enter the
inventory box of the current agent. Press A. Instead of selling the
weapon, use the cancel command. On the equipment list, press Up and
highlight any item except for the Pistol. Press A. Choose the Sell
option to get the amount of money that item would cost if purchased,
while one pistol is deleted from the agent's inventory. Repeat this
process to accumulate a large amount of money.
To get the most cash return from each pistol, select the Gauss Gun
as the item on the equipment list. This allows $50,000 to be
obtained per pistol. In order for the Gauss Gun to appear on the
equipment list, it must first be researched under the Heavy category.